Question

12 Determinati produsele

a)3/5x10/9x 15/2
b)3 1/2x 4/7 x1/4
c) 2 1/3 x 6/7x 1 1/2
d) 5/6 x 3 4/5 x 30 /19
Va rog dau 59 de puncte si coroana​

Answer 1

Răspuns:

a)3/5·10/9·15/2=(3·10·15)/(5·9·2)=450/90=5

b)7/2·4/7·1/4=28/56=1/2

c)(2×3+1)/3·6/7·(1·2+1)/2=7/3·6/7·3/2=126/42=3

d)5/6·(3·5+4)/5·30/19=5/6·19/5·30/19=2850/570=5

mai usor poti reduce termenii pe diagonala

Answer 2

Răspuns:

Sper sa înțelegi. Succes